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| European U18 Championships, 14-17 July, 2016, Tbilisi, Georgia | Representing |
| 15 July | Under-18 Men | 200 Metres | HEAT 4 | 8 | Joseph Massimo | (Crawley AC) | 28.21/-1.3 | | | Great Britain & Northern Ireland |
| 16 July | Under-18 Men | 100 Metres | DEC | 2h3 | Sam Talbot | (Exeter Harriers) | 11.00/+1.5 | | | Great Britain & Northern Ireland |
| 16 July | Under-18 Men | 400 Metres | DEC | 3h3 | Sam Talbot | (Exeter Harriers) | 50.30 | | | Great Britain & Northern Ireland |
| 16 July | Under-18 Men | High Jump | DEC | 1B | Sam Talbot | (Exeter Harriers) | 1.93m | | | Great Britain & Northern Ireland |
| 16 July | Under-18 Men | Long Jump | DEC | 1A | Sam Talbot | (Exeter Harriers) | 7.05m/+0.8 | | | Great Britain & Northern Ireland |
| 16 July | Under-18 Men | Shot Putt (5kg) | DEC | 7B | Sam Talbot | (Exeter Harriers) | 12.80m | | | Great Britain & Northern Ireland |
| 17 July | Under-18 Men | 1500 Metres | DEC | 8 | Sam Talbot | (Exeter Harriers) | 4:46.45 | | | Great Britain & Northern Ireland |
| 17 July | Under-18 Men | 110 Metres Hurdles (91.4cm) | DEC | 1h3 | Sam Talbot | (Exeter Harriers) | 13.86/+1.9 | | | Great Britain & Northern Ireland |
| 17 July | Under-18 Men | Pole Vault | DEC | 4A | Sam Talbot | (Exeter Harriers) | 4.00m | | | Great Britain & Northern Ireland |
| 17 July | Under-18 Men | Discus (1.5kg) | DEC | -A | Sam Talbot | (Exeter Harriers) | NM | | | Great Britain & Northern Ireland |
| 17 July | Under-18 Men | Javelin 700g (pre-2025 spec) | DEC | 10A | Sam Talbot | (Exeter Harriers) | 49.68m | | | Great Britain & Northern Ireland |
| 17 July | Under-18 Men | Decathlon (U17M events) | FINAL | 12 | Sam Talbot | (Exeter Harriers) | 6717pts | | | Great Britain & Northern Ireland |
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| European U18 Championships, 5 - 8 July, 2018, Gyor, Hungary | Representing |
| 6 July | Under-18 Women | 3000 Metres | FINAL | 9 | Charlotte Alexander | (Herne Hill Harriers) | 9:41.18 | | | Great Britain & Northern Ireland |
| 7 July | Under-18 Women | 100 Metres Hurdles (76.2cm) | HEAT 2 | 2 | Marcia Sey | (Croydon Harriers) | 13.32/+2.5 | Q | | Great Britain & Northern Ireland |
| 7 July | Under-18 Women | 100 Metres Hurdles (76.2cm) | S-FINAL 1 | 1 | Marcia Sey | (Croydon Harriers) | 13.39/+2.7 | Q | | Great Britain & Northern Ireland |
| 8 July | Under-18 Women | 100 Metres Hurdles (76.2cm) | FINAL | 4 | Marcia Sey | (Croydon Harriers) | 13.44/+1.0 | | | Great Britain & Northern Ireland |
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| European U18 Championships, 4-7 July, 2022, Jerusalem, Israel | Representing |
| 4 July | Under-18 Women | Shot Putt (3kg) | QUAL B | 2 | Paige Stevens | (Falkirk Victoria Harriers) | 16.46m | Q | | Great Britain & Northern Ireland |
| 5 July | Under-18 Women | Shot Putt (3kg) | FINAL | 3 | Paige Stevens | (Falkirk Victoria Harriers) | 16.69m | | | Great Britain & Northern Ireland |
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| European U18 Championships, 18/21 July, 2024, Banska Bystrica, Slovakia | Representing |
| 18 July | Under-18 Men | 400 Metres | HEAT 3 | 1 1 | Conor Kelly | (Hercules Wimbledon AC) | 48.01 | Q | | Ireland |
| 18 July | Under-18 Men | 1500 Metres | HEAT 1 | 4 | Alex Lennon | (Sutton & District AC) | 4:06.19 | Q | | Great Britain & Northern Ireland |
| 19 July | Under-18 Men | 400 Metres | S-FINAL 1 | 1 | Conor Kelly | (Hercules Wimbledon AC) | 47.62 | Q | | Ireland |
| 19 July | Under-18 Men | 800 Metres | HEAT 4 | 1 | Matthew McKenna | (Walton AC) | 1:52.08 | Q | | Great Britain & Northern Ireland |
| 20 July | Under-18 Men | 400 Metres | FINAL | 3 | Conor Kelly | (Hercules Wimbledon AC) | 46.97 | | | Ireland |
| 20 July | Under-18 Men | 800 Metres | S-FINAL 3 | 1 | Matthew McKenna | (Walton AC) | 1:51.66 | Q | | Great Britain & Northern Ireland |
| 20 July | Under-18 Men | 1500 Metres | FINAL | 5 | Alex Lennon | (Sutton & District AC) | 3:58.33 | | | Great Britain & Northern Ireland |
| 20 July | Under-18 Women | 3000 Metres | FINAL | 1 | Katie Pye | (Aldershot, Farnham & District AC) | 9:20.25 | | | Great Britain & Northern Ireland |
| 21 July | Under-18 Men | 800 Metres | FINAL | 1 | Matthew McKenna | (Walton AC) | 1:52.91 | | | Great Britain & Northern Ireland |
